//
//  Counter.h
//  InteractiveNotification
//
//  Created by GuochengLiu on 2017/1/17.
//  Copyright © 2017年 sumavision. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface Counter : NSObject


+ (instancetype)sharedInstance;

+ (NSInteger)currentValue;

+ (NSInteger)increase;

+ (NSInteger)decrease;

+ (NSInteger)reset;

@end
